Create applications that can communicate via HyperText Transfer Protocol (HTTP). Both client and server ends of the connection are catered for. The HTTP page lists all HTTP components, controls, libraries and objects for .Net, ASP.NET, ActiveX, Java, Delphi.
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C/C++ Hypertext Transfer Protocol (HTTP) Components by /n software inc.

/n software IP*Works! V8

The HTTP component can be used to retrieve documents from the World Wide Web. The HTTP component implements a standard HTTP client through a simple plug-and-play interface as defined in RFCs 1945 and 2616 .

/n software IP*Works! SSL V8.0

The HTTPS component can be used to retrieve documents from the World Wide Web. The HTTPS component is the SSL-enabled equivalent of the IP*Works! HTTP component. The main difference is the introduction of a set of new configuration settings, properties and events that deal with SSL security. The SSLProvider configuration setting chooses a security provider subsystem.

C/C++ Hypertext Transfer Protocol (HTTP) Components by Catalyst Development Corp

SocketTools Library Edition V5.0 SP3

SocketTools is a collection of Internet components and libraries for the Windows operating system. The Library Edition is ideal for languages such as Visual C++ and C++ Builder as well as a number of other languages such as Delphi and PowerBASIC.

SocketTools Secure Library Edition V5.0 SP3

SocketTools is a collection of Internet components and libraries for the Windows operating system. The SocketTools Secure Library Edition includes standard Windows dynamic link libraries (DLLs) which can be used in a wide variety of programming languages such as Visual Studio.NET, Visual C++, Visual Basic and Delphi.

C/C++ Hypertext Transfer Protocol (HTTP) Components by EldoS Corporation

SecureBlackbox V6.0.143

SecureBlackbox™ is a software component that adds support for MIME (including S/MIME and PGP/MIME), SSL/TLS, HTTPS, FTPS, SSH, SFTP, PGP, PDF standards to your application. SecureBlackbox primary goal is to provide basic technology for the wide range of applications, hiding the details of low-level protocols and algorithms, used by the parties during secure conversations.